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Life Science Chapter 14 (work in progress)

Terms in this set (26)

Feathers with smooth barbules but no hooked barbules, used in pillows
down feather
Feathers with hooked and smooth barbules, allowing the barbules to interlock, flight feathers
contour feather
Thin-walled spaces which function as a part of the respiratory system that supplies oxygen in birds, fishes, insects, and mammals
air sac
Specialized organs in mammals that produce milk to nourish the young
mammary gland
a mammal that develops inside its mother's body until its body systems can function independently
placental mammal
A structure that allows an embryo to be nourished with the mother's blood supply
placenta
a cord or funicle connecting the embryo or fetus with the placenta of the mother and transporting nourishment from the mother and wastes from the fetus
umbilical cord
Egg laying mammals
monotreme
A mammal, such as a koala, kangaroo, or opossum, whose young complete their embryonic development inside a maternal pouch called the marsupium.
marsupial
Bird Class
Aves
in birds, the act of grooming and maintaining their feathers
preening
A pouch in many birds and some lower animals that resembles a stomach for storage and preliminary maceration of food
crop
food for the growing embryo
yolk
Egg white
albumen
develop under controlled conditions, when birds warm and rotate eggs
incubate
Animals that are warm-blooded, have body hair, and produce milk for their young are grouped in the class
mammalia
helps make birds light in weight for flight
hollow bones
ostrich, emu, and penguin
Examples of flightless birds
platypuses and echidnas
Examples of monotremes
Bears, cats, and dogs
Examples of carnivora
Monkeys, apes, and lemurs
Examples of primates
Mice, rats, capybara, and beavers
Examples of rodentia
Elephants
Examples of proboscidea
Bats
Examples of chiroptera
whales and dolphins
Examples of cetacea
manatees and dugongs
Examples of sirenia
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